<template>
    <ul class="todo-main">
      <transition-group name="todo" appear>
        <MyItem 
          v-for="(todoObj) in todos" 
          :key="todoObj.id" 
          :todo="todoObj"/>
        </transition-group>
    </ul>
</template>

<script>
    import MyItem from './MyItem.vue'

    export default {
        name:'MyList',
        components:{
            MyItem,    
        },
        props:['todos']
    }
</script>

<style scoped>
     /*main*/
  .todo-main {
    margin-left: 0px;
    border: 1px solid #ddd;
    border-radius: 2px;
    padding: 0px;
  }

  .todo-empty {
    height: 40px;
    line-height: 40px;
    border: 1px solid #ddd;
    border-radius: 2px;
    padding-left: 5px;
    margin-top: 10px;
  }

  .todo-enter-active{
        animation: todoItem 1s linear;
    }
    .todo-leave-active{
        animation: todoItem 1s linear reverse;
    }
    @keyframes todoItem {
        from{
            /* 从左往右 */
            transform: translateX(100%);
        }
        to{
            transform: translateX(0px);
        }
    }
</style>
